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From: Xin Ji <xji@analogixsemi.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: bliang@analogixsemi.com, qwen@analogixsemi.com,
	hsinyi@chromium.org, Xin Ji <xji@analogixsemi.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable"
Date: Mon, 20 Nov 2023 17:10:36 +0800	[thread overview]
Message-ID: <20231120091038.284825-1-xji@analogixsemi.com> (raw)

This reverts commit 330140d7319fcc4ec68bd924ea212e476bf12275

200ms delay will cause panel display image later than backlight
turn on, revert this patch.

Signed-off-by: Xin Ji <xji@analogixsemi.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 8f740154707d..51abe42c639e 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1464,9 +1464,6 @@ static int _anx7625_hpd_polling(struct anx7625_data *ctx,
 	if (ctx->pdata.intp_irq)
 		return 0;
 
-	/* Delay 200ms for FW HPD de-bounce */
-	msleep(200);
-
 	ret = readx_poll_timeout(anx7625_read_hpd_status_p0,
 				 ctx, val,
 				 ((val & HPD_STATUS) || (val < 0)),
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Xin Ji <xji@analogixsemi.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>
Cc: qwen@analogixsemi.com, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, hsinyi@chromium.org,
	bliang@analogixsemi.com, Xin Ji <xji@analogixsemi.com>
Subject: [PATCH 1/2] Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable"
Date: Mon, 20 Nov 2023 17:10:36 +0800	[thread overview]
Message-ID: <20231120091038.284825-1-xji@analogixsemi.com> (raw)

This reverts commit 330140d7319fcc4ec68bd924ea212e476bf12275

200ms delay will cause panel display image later than backlight
turn on, revert this patch.

Signed-off-by: Xin Ji <xji@analogixsemi.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 8f740154707d..51abe42c639e 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1464,9 +1464,6 @@ static int _anx7625_hpd_polling(struct anx7625_data *ctx,
 	if (ctx->pdata.intp_irq)
 		return 0;
 
-	/* Delay 200ms for FW HPD de-bounce */
-	msleep(200);
-
 	ret = readx_poll_timeout(anx7625_read_hpd_status_p0,
 				 ctx, val,
 				 ((val & HPD_STATUS) || (val < 0)),
-- 
2.25.1


             reply	other threads:[~2023-11-20  9:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-20  9:10 Xin Ji [this message]
2023-11-20  9:10 ` [PATCH 1/2] Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable" Xin Ji
2023-11-20  9:10 ` [PATCH 2/2] drm/bridge: anx7625: Fix Set HPD irq detect window to 2ms Xin Ji
2023-11-20  9:10   ` Xin Ji
2023-11-29 10:12 ` [PATCH 1/2] Revert "drm/bridge: Add 200ms delay to wait FW HPD status stable" Robert Foss
2023-11-29 10:12   ` Robert Foss

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